0 votes 0 votes The activity of an enzyme is expressed in International Units (IU). However, the S.I unit for enzyme activity is Katal. One Katal is $1.66 \times {10^4}$ IU $60$ IU $6 \times {10^7}$ IU ${10^6}$ IU Others gate2012 + – Milicevic3306 asked Mar 25, 2018 • edited Jan 10, 2021 by go_editor Milicevic3306 7.9k points answer comment Share Follow See all 0 reply Please log in or register to add a comment.